<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>链入样式表文件</title>
    <!-- 引入外部独立的css样式表文件 -->
    <link rel="stylesheet" href="E:\html\HTML+CSS\css.html\1.css">
</head>

<body>
    <div id="div1"></div>

    <br>
    <br>
    <!-- 优先级：id>class>标签 -->
    <input type="text" class="myinput">
    <input type="text" class="myinput">

</body>

</html>